#008E91 · #FFFFFF
Four independent scores (read the one that fits your goal): Readability 53/100 (aa large) · Harmony 100/100 (complementary) · Distinguishable 97/100 (easy to tell apart) · Match 0/100 (different). There is no single “good/bad” — a pair can clash for text yet be great for an outfit.
Dark Cyan and White are very different (ΔE 57). They have near-opposite hues (179° apart) and their lightness is different, giving a clear light/dark split.
Dark Cyan text on White: 3.98:1 (AA Large); White text on Dark Cyan: 3.98:1 (AA Large). Neither meets AA at body size — nudging one color to #008487 clears it.
Complementary — complementary — a recognised, balanced pairing (harmony 100/100). This is about how they look together (clothing, interiors, branding), independent of text contrast.
Not at body size — the best direction is only 4.0:1, below the 4.5:1 minimum. Nudging one colour to #008487 clears AA.
Their CIE76 ΔE is about 57 — very different.
clearly different colours (ΔE 57).
Explore each color: Dark Cyan #008E91 · White #FFFFFF · Shades: Dark Cyan shades · White shades · Contrast checker →